Seiko Cal. 5621 - 400

This Hand-Winding model from 1976 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-baf1ad33ab44]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

Related Models

• Seiko 4483-534
• Seiko 6634-756
• Seiko 7057-212
• Seiko 4449-195
• Seiko 6212-208
• Seiko 6196-120
• Seiko 0787-629
• Seiko 6163-426
• Seiko 7124-747
• Seiko 6317-792
• Seiko 6627-891
• Seiko 6256-890