Seiko Cal. 5657 - 735

The 5657-735 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5657 caliber with 35j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-a5dd648145e4]

Also known as: Sumo, Shogun

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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