Seiko Cal. 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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