Seiko Cal. 5634 - 507

This Solar model from 1969 features a 43mm Hardlex-Coated Steel case. Powered by the 5634 caliber with 25j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-42734c539542]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1969

Related Models

• Seiko 4424-993
• Seiko 6220-842
• Seiko 6690-302
• Seiko 4496-668
• Seiko 4452-664
• Seiko 6695-464
• Seiko 5248-545
• Seiko 6128-265
• Seiko 6118-496
• Seiko 6111-902
• Seiko 4489-430
• Seiko 6366-961