Seiko Cal. 7137 - 233

The Seiko 7137-233 represents an important milestone in Seiko's 1976 lineup. Powered by the 7137 caliber with 36j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-27da1551cf32]

Also known as: Panda, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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