Seiko Cal. 3813 - 281

The 3813-281 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3813 caliber with 33j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-bec97ec63102]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1985

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