Seiko Cal. 7137 - 171

The 7137-171 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7137 caliber with 36j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-6d15fbf38ad8]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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