Seiko Cal. 4438 - 564

The 4438-564 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-88de9c8228fd]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

Related Models

• Seiko 6629-343
• Seiko 4475-105
• Seiko 6154-238
• Seiko 5649-423
• Seiko 6637-876
• Seiko 4576-516
• Seiko 5247-654
• Seiko 7076-571
• Seiko 6365-530
• Seiko 6610-674
• Seiko 6655-254
• Seiko 4435-818