Seiko Cal. 7136 - 748

The 7136-748 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7136 caliber with 28j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-ba935f380415]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1972

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