Seiko Cal. 6624 - 438

The 6624-438 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-cbb58bfe5198]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1975

Related Models

• Seiko 7158-783
• Seiko 4596-470
• Seiko 4515-382
• Seiko 6293-459
• Seiko 6612-197
• Seiko 4559-220
• Seiko 6665-684
• Seiko 7188-472
• Seiko 5285-487
• Seiko 0722-183
• Seiko 3886-152
• Seiko 5250-483