Seiko Cal. 4423 - 459

This Solar model from 1979 features a 39mm PVD Black case. Powered by the 4423 caliber with 31j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-520ce5d36619]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1979

Related Models

• Seiko 3847-885
• Seiko 7058-732
• Seiko 6665-127
• Seiko 6645-987
• Seiko 0747-839
• Seiko 6180-168
• Seiko 7087-890
• Seiko 4589-232
• Seiko 7081-614
• Seiko 5663-469
• Seiko 7080-329
• Seiko 4528-227