Seiko Cal. 7133 - 766

Seiko 7133-766

The 7133-766 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7133 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-bf4bf9ade07a]

Also known as: Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1985

Related Models

seikata-wm-bf4bf9ade07a