Seiko Cal. 5642 - 649

This Spring Drive model from 1983 features a 45mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-45a6da0d6a3f]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1983

Related Models

• Seiko 7166-965
• Seiko 6146-504
• Seiko 7192-960
• Seiko 7034-471
• Seiko 7138-630
• Seiko 4599-119
• Seiko 5252-120
• Seiko 4538-367
• Seiko 6651-185
• Seiko 3883-443
• Seiko 6228-468
• Seiko 6331-155