Seiko Cal. 6621 - 353

The Seiko 6621-353 represents an important milestone in Seiko's 1997 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-fc3aa3591f51]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1997

Related Models

• Seiko 7037-756
• Seiko 6391-559
• Seiko 6618-590
• Seiko 3816-469
• Seiko 5234-397
• Seiko 6664-648
• Seiko 4565-734
• Seiko 4442-928
• Seiko 5699-999
• Seiko 5229-108
• Seiko 6232-381
• Seiko 3875-496