Seiko Cal. 7156 - 147

This Quartz model from 1966 features a 41mm Titanium case. Powered by the 7156 caliber with 26j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-aa5b13f08ba6]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1966

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