Seiko Cal. 6311 - 642

This Solar model from 1966 features a 46mm Hardlex-Coated Steel case. Powered by the 6311 caliber with 31j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-10da6a70a451]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

Related Models

• Seiko 3861-952
• Seiko 0792-721
• Seiko 4455-825
• Seiko 6611-491
• Seiko 6147-162
• Seiko 7134-707
• Seiko 7115-368
• Seiko 4548-411
• Seiko 6289-567
• Seiko 6633-261
• Seiko 5285-753
• Seiko 7159-216