Seiko Cal. 4456 - 985

This Hand-Winding model from 1975 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-678043a90a65]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

Related Models

• Seiko 0784-930
• Seiko 6649-402
• Seiko 0736-985
• Seiko 7081-272
• Seiko 7128-281
• Seiko 6245-803
• Seiko 7026-841
• Seiko 3830-750
• Seiko 7096-239
• Seiko 6147-736
• Seiko 6612-243
• Seiko 6640-733