Seiko Cal. 6633 - 439

This Solar model from 1975 features a 36mm Hardlex-Coated Steel case. Powered by the 6633 caliber with 30j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-8575399891c1]

Also known as: Crown, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1975

Related Models

• Seiko 4446-958
• Seiko 5663-245
• Seiko 4588-653
• Seiko 4462-414
• Seiko 6377-263
• Seiko 3825-756
• Seiko 6171-154
• Seiko 5266-890
• Seiko 0758-988
• Seiko 6621-431
• Seiko 3855-178
• Seiko 3855-900