Seiko Cal. 7158 - 913

This Spring Drive model from 1976 features a 36mm Titanium case. Powered by the 7158 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0a2cb502d15a]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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