Seiko Cal. 4427 - 375

This Kinetic model from 1968 features a 40mm PVD Black case. Powered by the 4427 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-d44da58a321e]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1968

Related Models

• Seiko 7142-365
• Seiko 4533-242
• Seiko 4460-330
• Seiko 6185-218
• Seiko 3821-958
• Seiko 6234-172
• Seiko 6279-755
• Seiko 7013-974
• Seiko 6299-350
• Seiko 7128-587
• Seiko 6119-497
• Seiko 7142-661