Seiko Cal. 5611 - 508

This Hand-Winding model from 1977 features a 37mm Hardlex-Coated Steel case. Powered by the 5611 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f1aec82ec634]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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