Seiko Cal. 7136 - 540

The 7136-540 is a sought-after Solar piece from Seiko's golden era. Powered by the 7136 caliber with 34j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-38bdc61acbb3]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1975

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