Seiko Cal. 5631 - 288

This Solar model from 1967 features a 38mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-f95a03e43df7]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1967

Related Models

• Seiko 7088-968
• Seiko 7068-644
• Seiko 0790-140
• Seiko 3890-602
• Seiko 4539-956
• Seiko 4431-509
• Seiko 6376-300
• Seiko 0789-202
• Seiko 5616-481
• Seiko 3891-751
• Seiko 0718-813
• Seiko 5651-288