Seiko Cal. 6663 - 276

This Quartz model from 1966 features a 37mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-68021b14f817]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1966

Related Models

• Seiko 6191-792
• Seiko 7052-474
• Seiko 4439-345
• Seiko 6693-738
• Seiko 7059-765
• Seiko 6696-346
• Seiko 6199-781
• Seiko 4564-195
• Seiko 6298-162
• Seiko 6647-196
• Seiko 7012-395
• Seiko 6265-521