Seiko Cal. 3872 - 987

This Spring Drive model from 1973 features a 45mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-a188ba94c0af]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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