Seiko Cal. 5654 - 646

This Hand-Winding model from 1972 features a 39mm Stainless Steel case. Powered by the 5654 caliber with 21j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-fd6add895423]

Also known as: Turtle, World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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