Seiko Cal. 4539 - 649

The Seiko 4539-649 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-ba498b87850b]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1965

Related Models

• Seiko 6222-100
• Seiko 6332-958
• Seiko 7063-343
• Seiko 0774-722
• Seiko 6645-370
• Seiko 7188-759
• Seiko 6396-659
• Seiko 4452-937
• Seiko 4552-131
• Seiko 7156-644
• Seiko 7042-361
• Seiko 3811-306