Seiko Cal. 6646 - 372

This Automatic model from 1982 features a 36mm Stainless Steel case. Powered by the 6646 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-3646f7e0cff5]

Also known as: Bullhead, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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