Seiko Cal. 6166 - 638

This Hand-Winding model from 1986 features a 41mm Two-Tone case. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-af16a3928d6e]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1986

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