Seiko Cal. 4557 - 760

Seiko 4557-760

The 4557-760 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4557 caliber with 19j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-229e2167c2c9]

Also known as: Tuna, Helmet

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
11.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
White
Jewels
19j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1994

Related Models

seikata-wm-229e2167c2c9