Seiko Cal. 4577 - 704

Seiko 4577-704

This Automatic model from 1967 features a 39mm Two-Tone case. Powered by the 4577 caliber with 34j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-5336231aa289]

Also known as: Tuna, Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
8.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1967

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