Seiko Cal. 5631 - 941

This Solar model from 1975 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-f9a4e2ca0392]

Also known as: Rally, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

Related Models

• Seiko 6687-346
• Seiko 6255-596
• Seiko 4422-984
• Seiko 6166-130
• Seiko 6693-172
• Seiko 6695-600
• Seiko 7153-432
• Seiko 6328-927
• Seiko 7017-163
• Seiko 6610-342
• Seiko 4477-540
• Seiko 6645-139