Seiko Cal. 6156 - 870

This Spring Drive model from 1968 features a 40mm Titanium case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6c43796e2f18]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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