Seiko Cal. 5641 - 464

This Kinetic model from 1977 features a 40mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-a08d0a070509]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

Related Models

• Seiko 7122-152
• Seiko 7037-424
• Seiko 5611-685
• Seiko 6394-179
• Seiko 7147-742
• Seiko 0747-161
• Seiko 4491-569
• Seiko 6390-256
• Seiko 6167-758
• Seiko 0727-877
• Seiko 3836-308
• Seiko 7020-972