Seiko Cal. 7137 - 479

The Seiko 7137-479 represents an important milestone in Seiko's 1968 lineup. Powered by the 7137 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-148a86e86bd7]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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