Seiko Cal. 7057 - 536

The Seiko 7057-536 represents an important milestone in Seiko's 1975 lineup. Powered by the 7057 caliber with 31j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-dfed92b62e78]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Burgundy

Jewels

31j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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