Seiko Cal. 5633 - 945

The Seiko 5633-945 represents an important milestone in Seiko's 1988 lineup. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-bf0f66b0725f]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1988

Related Models

• Seiko 3845-634
• Seiko 4560-966
• Seiko 6378-165
• Seiko 5262-790
• Seiko 6295-879
• Seiko 3899-708
• Seiko 0711-337
• Seiko 0715-155
• Seiko 6640-285
• Seiko 6666-784
• Seiko 6396-934
• Seiko 6333-577