Seiko Cal. 5688 - 387

This Hand-Winding model from 1967 features a 46mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-ca37cc6edc49]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1967

Related Models

• Seiko 5271-280
• Seiko 6241-854
• Seiko 6321-179
• Seiko 7049-259
• Seiko 4463-324
• Seiko 3835-388
• Seiko 4479-713
• Seiko 5683-648
• Seiko 0736-891
• Seiko 0740-556
• Seiko 7021-238
• Seiko 5646-422