Seiko Cal. 6333 - 445

This Spring Drive model from 1981 features a 35mm Titanium case. With its 20mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-f9e8d4f1ef67]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

Related Models

• Seiko 5646-581
• Seiko 6176-472
• Seiko 6633-427
• Seiko 4423-360
• Seiko 6169-589
• Seiko 0785-293
• Seiko 4445-345
• Seiko 7031-865
• Seiko 7198-741
• Seiko 5663-311
• Seiko 6370-757
• Seiko 4598-636