Seiko Cal. 0728 - 963

The 0728-963 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-8e40fbc00ddf]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1977

Related Models

• Seiko 4519-665
• Seiko 7174-884
• Seiko 0795-102
• Seiko 0731-471
• Seiko 3844-639
• Seiko 5669-279
• Seiko 7177-537
• Seiko 6177-876
• Seiko 4510-761
• Seiko 6235-851
• Seiko 6664-490
• Seiko 6219-586