Seiko Cal. 4473 - 321

This Hand-Winding model from 1968 features a 41mm PVD Black case. With its 21mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-7802ba520ae0]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1968

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