Seiko Cal. 3869 - 818

The 3869-818 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3869 caliber with 25j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9eabb58b522b]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1991

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