Seiko Cal. 3817 - 211

The Seiko 3817-211 represents an important milestone in Seiko's 1989 lineup. Powered by the 3817 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-4d12e29afa30]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1989

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