Seiko Cal. 6331 - 401

This Automatic model from 1991 features a 42mm Stainless Steel case. Powered by the 6331 caliber with 33j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-46f44351d8b6]

Also known as: World Timer, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1991

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