Seiko Cal. 3825 - 727

This Solar model from 1969 features a 37mm Gold-Plated case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-123e2ea4ae75]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

Related Models

• Seiko 6644-561
• Seiko 4593-364
• Seiko 6157-152
• Seiko 5650-521
• Seiko 5285-775
• Seiko 6354-597
• Seiko 4582-412
• Seiko 6635-467
• Seiko 4522-378
• Seiko 6295-173
• Seiko 6299-395
• Seiko 6312-191