Seiko Cal. 6644 - 903

This Solar model from 1992 features a 44mm PVD Black case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-2862e9306c5e]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1992

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