Seiko Cal. 4530 - 977

Seiko 4530-977

This Hand-Winding model from 1971 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-19a8123435bc]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1971

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