Seiko Cal. 3894 - 991

The 3894-991 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3894 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-86e5865ba953]

Also known as: World Timer, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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