Seiko Cal. 4520 - 318

The Seiko 4520-318 represents an important milestone in Seiko's 1999 lineup. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-18525d0e5dcc]

Also known as: Samurai, UFO

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1999

Related Models

• Seiko 6289-991
• Seiko 7051-405
• Seiko 7079-991
• Seiko 3832-933
• Seiko 4448-522
• Seiko 6216-805
• Seiko 5238-891
• Seiko 4518-525
• Seiko 4516-784
• Seiko 3851-687
• Seiko 3864-901
• Seiko 0716-109