Seiko Cal. 3831 - 918

The 3831-918 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3831 caliber with 34j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-01c180e6566b]

Also known as: Monster, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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