Seiko Cal. 4430 - 927

Seiko 4430-927

This Automatic model from 1978 features a 46mm PVD Black case. Powered by the 4430 caliber with 36j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-6ff339aec9f3]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
36j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1978

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