Seiko Cal. 4473 - 637

Released in 1982, the Cal. 4473 with design code 637 was part of Seiko's domestic market collection. With its 21mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-01b8af706ba2]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1982

Related Models

• Seiko 6663-909
• Seiko 6258-922
• Seiko 5281-981
• Seiko 6642-771
• Seiko 6255-523
• Seiko 6642-474
• Seiko 6280-148
• Seiko 4449-371
• Seiko 4528-630
• Seiko 6354-778
• Seiko 5669-882
• Seiko 0736-628