Seiko Cal. 3818 - 336

This Spring Drive model from 1992 features a 42mm PVD Black case. Powered by the 3818 caliber with 20j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-f3c9989120f3]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1992

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