Seiko Cal. 4563 - 437

This Spring Drive model from 1974 features a 36mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-661c6b3a267b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1974

Related Models

• Seiko 6399-333
• Seiko 7037-670
• Seiko 6190-246
• Seiko 6173-461
• Seiko 5610-808
• Seiko 5651-593
• Seiko 6666-714
• Seiko 6233-623
• Seiko 5683-655
• Seiko 6281-736
• Seiko 6691-955
• Seiko 6140-355