Seiko Cal. 7136 - 597

The Seiko 7136-597 represents an important milestone in Seiko's 1965 lineup. Powered by the 7136 caliber with 19j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-be83ba37cb5b]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1965

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