Seiko Cal. 3837 - 312

This Spring Drive model from 1986 features a 45mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-a42adeffdcff]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1986

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