Seiko Cal. 0764 - 944

This Spring Drive model from 1989 features a 39mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-ea85e3adbee3]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1989

Related Models

• Seiko 6227-416
• Seiko 4431-936
• Seiko 5696-909
• Seiko 7152-303
• Seiko 6334-429
• Seiko 6381-487
• Seiko 6241-841
• Seiko 0713-200
• Seiko 4578-939
• Seiko 6178-585
• Seiko 7037-371
• Seiko 6673-535