Seiko Cal. 5640 - 678

This Kinetic model from 1972 features a 38mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-d2ed46ce4380]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1972

Related Models

• Seiko 5666-418
• Seiko 7161-968
• Seiko 6215-720
• Seiko 3847-641
• Seiko 7117-404
• Seiko 5650-384
• Seiko 5269-223
• Seiko 4590-849
• Seiko 6674-742
• Seiko 6143-443
• Seiko 6386-337
• Seiko 0718-506