Seiko Cal. 3810 - 438

This Spring Drive model from 1992 features a 41mm PVD Black case. Powered by the 3810 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-341c2f0ef549]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1992

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