Seiko Cal. 6311 - 568

This Solar model from 1977 features a 39mm Hardlex-Coated Steel case. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-2317ac878ae0]

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1977

Related Models

• Seiko 4513-271
• Seiko 6650-149
• Seiko 6159-382
• Seiko 3899-377
• Seiko 6220-358
• Seiko 0715-519
• Seiko 6191-844
• Seiko 6345-749
• Seiko 4564-662
• Seiko 4588-175
• Seiko 0731-315
• Seiko 6665-254