Seiko Cal. 5216 - 420

This Quartz model from 1977 features a 37mm Stainless Steel case. With its 18mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-d2161fc344c1]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

Related Models

• Seiko 4410-475
• Seiko 4529-389
• Seiko 0743-502
• Seiko 4444-988
• Seiko 6215-943
• Seiko 4552-860
• Seiko 7065-573
• Seiko 4547-537
• Seiko 4523-961
• Seiko 6378-816
• Seiko 3833-360
• Seiko 5282-260