Seiko Cal. 4576 - 639

This Solar model from 1971 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-3a67331625fa]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

Related Models

• Seiko 6379-208
• Seiko 7018-320
• Seiko 5654-509
• Seiko 5656-197
• Seiko 6340-475
• Seiko 6255-284
• Seiko 3877-735
• Seiko 7183-168
• Seiko 4511-535
• Seiko 7145-660
• Seiko 3875-880
• Seiko 6658-461