Seiko Cal. 5666 - 222

This Spring Drive model from 1991 features a 40mm Hardlex-Coated Steel case. Powered by the 5666 caliber with 23j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-1a3edbee26e1]

Also known as: Tuna, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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