Seiko Cal. 6633 - 423

This Automatic model from 1966 features a 45mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-e58e233db1ed]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

Related Models

• Seiko 5252-376
• Seiko 7136-342
• Seiko 6630-419
• Seiko 0784-442
• Seiko 4597-433
• Seiko 3821-231
• Seiko 4535-596
• Seiko 5293-273
• Seiko 4536-409
• Seiko 6246-231
• Seiko 6377-295
• Seiko 6332-375