Seiko Cal. 3891 - 492

The 3891-492 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3891 caliber with 31j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-06db6312b098]

Also known as: Shogun, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

31j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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