Seiko Cal. 3870 - 737

This Spring Drive model from 1999 features a 43mm Stainless Steel case. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-d56c984c2da8]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1999

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