Seiko Cal. 5690 - 376

This Solar model from 1973 features a 37mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-007abb9c0ecc]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

Related Models

• Seiko 6395-560
• Seiko 6124-598
• Seiko 5617-291
• Seiko 4447-307
• Seiko 7011-733
• Seiko 3836-258
• Seiko 6241-286
• Seiko 3832-302
• Seiko 7136-536
• Seiko 3818-237
• Seiko 6189-883
• Seiko 0752-419