Seiko Cal. 4452 - 685

The Seiko 4452-685 represents an important milestone in Seiko's 1980 lineup. Powered by the 4452 caliber with 19j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-0bbb0ac43bcf]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1980

Related Models

• Seiko 3895-102
• Seiko 7081-710
• Seiko 7182-457
• Seiko 7019-945
• Seiko 7196-693
• Seiko 7126-200
• Seiko 7184-144
• Seiko 5623-873
• Seiko 0749-451
• Seiko 3853-208
• Seiko 7115-111
• Seiko 6641-299