Seiko Cal. 5644 - 105

The 5644-105 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-573926915fdc]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1980

Related Models

• Seiko 6376-715
• Seiko 6286-158
• Seiko 7068-752
• Seiko 7081-102
• Seiko 4434-160
• Seiko 3857-885
• Seiko 4446-441
• Seiko 3898-741
• Seiko 7014-892
• Seiko 0784-207
• Seiko 4485-936
• Seiko 4441-313