Seiko Cal. 5621 - 790

The Seiko 5621-790 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-0f42d28fe22b]

Also known as: Samurai, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1973

Related Models

• Seiko 6292-942
• Seiko 6364-962
• Seiko 4548-517
• Seiko 7037-782
• Seiko 3825-532
• Seiko 3838-126
• Seiko 5270-370
• Seiko 6245-749
• Seiko 4480-516
• Seiko 6321-950
• Seiko 0767-752
• Seiko 5694-783