Seiko Cal. 5638 - 237

This Automatic model from 1974 features a 39mm Gold-Plated case. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-287c4e8be3ac]

Also known as: Turtle, Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1974

Related Models

• Seiko 3838-897
• Seiko 4522-460
• Seiko 6318-849
• Seiko 5294-284
• Seiko 7087-586
• Seiko 4456-481
• Seiko 5276-188
• Seiko 6365-291
• Seiko 3861-444
• Seiko 7064-400
• Seiko 4433-590
• Seiko 6358-684