Seiko Cal. 4537 - 710

This Automatic model from 1978 features a 42mm Hardlex-Coated Steel case. With its 21mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-63aabbe36476]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

Related Models

• Seiko 6314-900
• Seiko 6610-268
• Seiko 5635-604
• Seiko 6286-889
• Seiko 0782-657
• Seiko 0741-874
• Seiko 5262-944
• Seiko 4421-706
• Seiko 6252-891
• Seiko 7099-411
• Seiko 7021-138
• Seiko 4452-791