Seiko Cal. 6621 - 335

The Seiko 6621-335 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-3c6c7adf9c16]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

Related Models

• Seiko 4575-546
• Seiko 3857-193
• Seiko 6288-794
• Seiko 3822-116
• Seiko 6353-540
• Seiko 6339-848
• Seiko 3885-836
• Seiko 5668-524
• Seiko 7053-869
• Seiko 4572-560
• Seiko 7147-907
• Seiko 7025-866