Seiko Cal. 5621 - 578

This Automatic model from 1981 features a 44mm Hardlex-Coated Steel case. Powered by the 5621 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-daf2046ba3ab]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

Related Models

• Seiko 6218-893
• Seiko 6356-293
• Seiko 7027-921
• Seiko 5626-459
• Seiko 6673-739
• Seiko 6279-369
• Seiko 5257-252
• Seiko 4514-773
• Seiko 6164-626
• Seiko 6396-566
• Seiko 7189-611
• Seiko 6655-709