Seiko Cal. 6636 - 611

This Spring Drive model from 1996 features a 37mm Hardlex-Coated Steel case. Powered by the 6636 caliber with 28j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-473a6e7a6600]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1996

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