Seiko Cal. 6645 - 940

The 6645-940 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-4c787f67095e]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

Related Models

• Seiko 6149-781
• Seiko 3834-717
• Seiko 0760-966
• Seiko 4526-798
• Seiko 3817-332
• Seiko 6618-734
• Seiko 6374-488
• Seiko 0711-838
• Seiko 3870-192
• Seiko 5247-234
• Seiko 6375-750
• Seiko 5286-648