Seiko Cal. 4437 - 536

The Seiko 4437-536 represents an important milestone in Seiko's 1999 lineup. With its 19mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-043248d5f72c]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1999

Related Models

• Seiko 5287-859
• Seiko 0776-693
• Seiko 5232-122
• Seiko 5271-741
• Seiko 7143-886
• Seiko 6646-557
• Seiko 4474-774
• Seiko 6343-967
• Seiko 7124-600
• Seiko 3870-700
• Seiko 5254-688
• Seiko 4483-568