Seiko Cal. 6198 - 581

The Seiko 6198-581 represents an important milestone in Seiko's 1968 lineup. Powered by the 6198 caliber with 31j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a9ec64de241e]

Also known as: Turtle, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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