Seiko Cal. 3863 - 344

This Spring Drive model from 1986 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-4daa15925e54]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1986

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