Seiko Cal. 3817 - 698

This Spring Drive model from 1993 features a 36mm Stainless Steel case. Powered by the 3817 caliber with 22j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-03a6df634c1c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1993

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