Seiko Cal. 6621 - 831

This Solar model from 1990 features a 40mm Two-Tone case. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-996ae3bc9349]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1990

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