Seiko Cal. 4438 - 581

The 4438-581 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-7ff54915988e]

Also known as: UFO, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

Related Models

• Seiko 7074-894
• Seiko 6242-773
• Seiko 6350-826
• Seiko 6323-537
• Seiko 6194-922
• Seiko 4429-921
• Seiko 7124-932
• Seiko 7071-256
• Seiko 5217-800
• Seiko 5249-763
• Seiko 5621-258
• Seiko 7063-271