Seiko Cal. 5693 - 553

This Spring Drive model from 1977 features a 37mm Hardlex-Coated Steel case. Powered by the 5693 caliber with 26j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d73161adc94f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1977

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