Seiko Cal. 4487 - 837

This Spring Drive model from 1970 features a 41mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-8ac30ff883cb]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1970

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