Seiko Cal. 6170 - 581

This Spring Drive model from 1990 features a 44mm Two-Tone case. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-db9e251c156a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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