Seiko Cal. 7137 - 632

The 7137-632 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7137 caliber with 33j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-87db404d8c0d]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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