Seiko Cal. 5638 - 575

The Seiko 5638-575 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-e46fe532fe2e]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1976

Related Models

• Seiko 5654-331
• Seiko 6641-272
• Seiko 4411-682
• Seiko 6135-869
• Seiko 0783-264
• Seiko 4571-972
• Seiko 0767-593
• Seiko 3881-861
• Seiko 4524-707
• Seiko 5295-797
• Seiko 6674-680
• Seiko 7045-522