Seiko Cal. 5657 - 697

This Hand-Winding model from 1974 features a 45mm PVD Black case. Powered by the 5657 caliber with 23j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-3cd2efe48d62]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1974

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