Seiko Cal. 3891 - 194

The Seiko 3891-194 represents an important milestone in Seiko's 1971 lineup. Powered by the 3891 caliber with 26j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-3931b8fe02a4]

Also known as: Bullhead, World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

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