Seiko Cal. 7156 - 391

This Hand-Winding model from 1968 features a 42mm Titanium case. Powered by the 7156 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-1ecfc27bb080]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1968

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