Seiko Cal. 4460 - 645

The Seiko 4460-645 represents an important milestone in Seiko's 1983 lineup. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-506cac4fef10]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1983

Related Models

• Seiko 7024-259
• Seiko 4463-989
• Seiko 5679-450
• Seiko 4582-933
• Seiko 4478-193
• Seiko 4567-929
• Seiko 3887-714
• Seiko 5687-803
• Seiko 6263-153
• Seiko 6629-767
• Seiko 4579-275
• Seiko 5231-897