Seiko Cal. 3811 - 680

The 3811-680 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3811 caliber with 20j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-fc5182acc423]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1993

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