Seiko Cal. 4423 - 768

This Solar model from 1975 features a 43mm PVD Black case. Powered by the 4423 caliber with 19j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-efa6ad7f382c]

Also known as: Turtle, Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

Related Models

• Seiko 4445-338
• Seiko 4596-119
• Seiko 7197-810
• Seiko 7030-337
• Seiko 0769-351
• Seiko 7188-799
• Seiko 6277-100
• Seiko 0779-799
• Seiko 7172-629
• Seiko 7054-151
• Seiko 5664-590
• Seiko 5277-504