Seiko Cal. 7151 - 307

The Seiko 7151-307 represents an important milestone in Seiko's 1968 lineup. Powered by the 7151 caliber with 31j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-b8a041b4ae1d]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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