Seiko Cal. 0773 - 100

This Spring Drive model from 1973 features a 45mm Titanium case. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-950196e5214f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

Related Models

• Seiko 6177-226
• Seiko 7030-275
• Seiko 7160-575
• Seiko 5221-709
• Seiko 4544-341
• Seiko 6347-747
• Seiko 4461-174
• Seiko 3848-126
• Seiko 5296-725
• Seiko 3844-875
• Seiko 3884-851
• Seiko 5668-861