Seiko Cal. 6644 - 499

This Spring Drive model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 6644 caliber with 35j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-47dd1f871608]

Also known as: Shogun, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1987

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