Seiko Cal. 4593 - 431

This Solar model from 1981 features a 42mm Stainless Steel case. Powered by the 4593 caliber with 33j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-b6da31d5639a]

Also known as: Monster, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

Related Models

• Seiko 6380-826
• Seiko 7143-252
• Seiko 6124-603
• Seiko 6316-151
• Seiko 5631-496
• Seiko 7049-573
• Seiko 5687-748
• Seiko 4487-485
• Seiko 4434-368
• Seiko 6146-561
• Seiko 5298-439
• Seiko 3873-912