Seiko Cal. 6631 - 623

The Seiko 6631-623 represents an important milestone in Seiko's 1995 lineup. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-039d871cb4ce]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1995

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