Seiko Cal. 5687 - 844

This Kinetic model from 1966 features a 40mm Hardlex-Coated Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-f11dad7da41e]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

17j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

Related Models

• Seiko 4570-265
• Seiko 3870-534
• Seiko 4543-181
• Seiko 3866-607
• Seiko 6311-445
• Seiko 4439-476
• Seiko 7162-107
• Seiko 7041-634
• Seiko 4489-903
• Seiko 6287-993
• Seiko 5618-707
• Seiko 0755-573