Seiko Cal. 6643 - 105

This Spring Drive model from 1984 features a 45mm Two-Tone case. With its 20mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-d70e0a8338c3]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1984

Related Models

• Seiko 5215-960
• Seiko 6136-110
• Seiko 6394-457
• Seiko 4464-203
• Seiko 3813-524
• Seiko 7121-528
• Seiko 4568-800
• Seiko 6198-424
• Seiko 3855-287
• Seiko 6661-804
• Seiko 0743-497
• Seiko 6157-620