Seiko Cal. 6641 - 224

This Hand-Winding model from 1984 features a 38mm Titanium case. Powered by the 6641 caliber with 33j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-49352227c189]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1984

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