Seiko Cal. 6618 - 643

This Automatic model from 1974 features a 45mm Two-Tone case. Powered by the 6618 caliber with 30j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-d4ef16fa420c]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1974

Related Models

• Seiko 7044-301
• Seiko 6659-814
• Seiko 0746-986
• Seiko 6130-258
• Seiko 5658-180
• Seiko 3817-200
• Seiko 7062-819
• Seiko 5697-586
• Seiko 5275-654
• Seiko 6119-902
• Seiko 6381-366
• Seiko 4495-452