Seiko Cal. 3831 - 865

The 3831-865 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3831 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e556046d2f93]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1995

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