Seiko Cal. 3893 - 104

The 3893-104 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3893 caliber with 28j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-1ed06123be2b]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1988

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