Seiko Cal. 6311 - 105

This Solar model from 1976 features a 34mm PVD Black case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-208cce50d375]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1976

Related Models

• Seiko 0729-343
• Seiko 6261-614
• Seiko 0770-805
• Seiko 6396-153
• Seiko 6157-921
• Seiko 3897-777
• Seiko 6282-134
• Seiko 3865-263
• Seiko 0778-135
• Seiko 6224-530
• Seiko 5292-182
• Seiko 6186-493