Seiko Cal. 6616 - 156

This Spring Drive model from 1980 features a 38mm Hardlex-Coated Steel case. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-7ea87dd1b537]

Also known as: Turtle, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1980

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