Seiko Cal. 7137 - 966

The 7137-966 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7137 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-059e771bbcbc]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1976

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