Seiko Mod Guide

Seiko vs Miyota Movements: Which Is Better for Your Watch?

Seiko vs Miyota Movements: Which Is Better for Your Watch?

Compare Seiko and Miyota movements head-to-head. Expert analysis of NH35, NH36, 8215, and 9015 covering accuracy, reliability, serviceability, and value for watch enthusiasts.

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Seiko NH35A Movement: Complete Automatic Movement Guide

Seiko NH35A Movement: Complete Automatic Movement Guide

Discover the Seiko NH35A automatic movement—the modder's choice for custom watch builds. Complete guide covering specs, NH35A vs NH35 vs 4R35 differences, parts compatibility, reliability, and why NH35A dominates the watch modding world.

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Seiko 4R35 vs 4R36: Complete Movement Comparison Guide

Seiko 4R35 vs 4R36: Complete Movement Comparison Guide

Complete Seiko 4R35 vs 4R36 comparison: Learn the key difference (date vs day/date), identical specs (21,600 bph, 41hr reserve, 23/24 jewels), shared features (hacking, hand-winding), which Seiko watches use them, reliability, pricing. Expert guide.

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