Seiko Cal. 7133 - 777

The 7133-777 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7133 caliber with 19j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-39c5269c91b3]

Also known as: Tuna, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

Related Models

• Seiko 7046-257
• Seiko 4534-539
• Seiko 4447-991
• Seiko 4559-928
• Seiko 7118-366
• Seiko 4423-877
• Seiko 6359-341
• Seiko 7167-680
• Seiko 6656-478
• Seiko 6245-574
• Seiko 6286-515
• Seiko 5277-608