Seiko Cal. 4456 - 406

This Quartz model from 1969 features a 42mm Hardlex-Coated Steel case. Powered by the 4456 caliber with 20j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3505d948b2a0]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1969

Related Models

• Seiko 6272-517
• Seiko 6110-693
• Seiko 7055-649
• Seiko 7081-595
• Seiko 0755-982
• Seiko 7095-740
• Seiko 6184-449
• Seiko 7167-422
• Seiko 3815-961
• Seiko 6314-331
• Seiko 6326-475
• Seiko 7160-928