Seiko Cal. 7137 - 553

This Automatic model from 1989 features a 46mm Titanium case. Powered by the 7137 caliber with 23j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-75fe0c0b1511]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1989

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