Seiko Cal. 5638 - 541

This Spring Drive model from 1974 features a 42mm Two-Tone case. With its 21mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-2f3c17f79e59]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

Related Models

• Seiko 6618-179
• Seiko 4595-791
• Seiko 4414-633
• Seiko 6238-169
• Seiko 5253-372
• Seiko 7188-152
• Seiko 0741-748
• Seiko 4560-325
• Seiko 6120-115
• Seiko 3897-390
• Seiko 5236-523
• Seiko 7011-951