Seiko Cal. 6137 - 981

The Seiko 6137-981 represents an important milestone in Seiko's 1976 lineup. Powered by the 6137 caliber with 36j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-20d287146311]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1976

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