Seiko Cal. 6691 - 984

This Automatic model from 1998 features a 43mm Stainless Steel case. Powered by the 6691 caliber with 21j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-72395f4c0923]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1998

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