Seiko Cal. 3851 - 998

The Seiko 3851-998 represents an important milestone in Seiko's 1975 lineup. Powered by the 3851 caliber with 17j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-a5049744155a]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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