Seiko Cal. 5657 - 557

The Seiko 5657-557 represents an important milestone in Seiko's 1987 lineup. Powered by the 5657 caliber with 30j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-099d570a86af]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1987

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