Seiko Cal. 4427 - 333

This Quartz model from 1968 features a 37mm Titanium case. Powered by the 4427 caliber with 28j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-a876523dab19]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1968

Related Models

• Seiko 0757-165
• Seiko 5689-268
• Seiko 4541-329
• Seiko 5628-413
• Seiko 5216-166
• Seiko 6132-382
• Seiko 6331-973
• Seiko 7023-858
• Seiko 6652-125
• Seiko 6350-510
• Seiko 5290-266
• Seiko 5664-154