Seiko Cal. 3868 - 137

This Hand-Winding model from 1973 features a 46mm PVD Black case. Powered by the 3868 caliber with 18j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-76aa95cd7292]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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