Seiko Cal. 3851 - 998

Seiko 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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