Seiko Cal. 6673 - 975

This Spring Drive model from 1971 features a 40mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-aaff9d2c11b2]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 0717-443
• Seiko 6633-822
• Seiko 6331-792
• Seiko 4464-731
• Seiko 7146-505
• Seiko 7148-785
• Seiko 7143-931
• Seiko 6340-748
• Seiko 4452-299
• Seiko 6351-397
• Seiko 5639-228
• Seiko 7030-511