Seiko Cal. 3891 - 665

The 3891-665 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3891 caliber with 33j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-5669addd06e9]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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