Seiko Cal. 5260 - 644

This Spring Drive model from 1968 features a 37mm PVD Black case. Powered by the 5260 caliber with 30j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-96821980a6f4]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1968

Related Models

• Seiko 7098-983
• Seiko 4571-515
• Seiko 5626-804
• Seiko 0760-320
• Seiko 6360-998
• Seiko 6249-124
• Seiko 7058-142
• Seiko 6139-924
• Seiko 0794-110
• Seiko 6641-961
• Seiko 5689-528
• Seiko 3886-755