Seiko Cal. 5657 - 704

This Hand-Winding model from 1977 features a 46mm Two-Tone case. With its 19mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-5d7de373c191]

Also known as: Tuna, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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