Seiko Cal. 6641 - 402

This Spring Drive model from 1998 features a 44mm Hardlex-Coated Steel case. With its 21mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-a1507f131abb]

Also known as: Navigator, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1998

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