Seiko Cal. 3817 - 598

Seiko 3817-598

The Seiko 3817-598 represents an important milestone in Seiko's 1977 lineup. Powered by the 3817 caliber with 28j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8b140a826c36]

Also known as: Tuna, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1977

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