Seiko Cal. 7137 - 972

The 7137-972 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7137 caliber with 19j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-bf843a8419cc]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

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