Seiko Cal. 6645 - 762

The Seiko 6645-762 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-eea8a7b0d34b]

Also known as: UFO, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1972

Related Models

• Seiko 5214-956
• Seiko 3858-916
• Seiko 4442-659
• Seiko 4490-640
• Seiko 6637-880
• Seiko 6631-909
• Seiko 7094-808
• Seiko 0733-621
• Seiko 3854-330
• Seiko 4579-882
• Seiko 5692-271
• Seiko 7138-395