Seiko Cal. 6370 - 991

This Kinetic model from 1975 features a 42mm Hardlex-Coated Steel case. It features a Navy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-b384052d26f5]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

Related Models

• Seiko 7065-199
• Seiko 6253-949
• Seiko 6144-519
• Seiko 6312-729
• Seiko 6697-329
• Seiko 6215-830
• Seiko 4466-294
• Seiko 0723-545
• Seiko 6293-112
• Seiko 5665-329
• Seiko 4480-625
• Seiko 4471-815