Seiko Cal. 4428 - 982

Seiko 4428-982

This Automatic model from 1973 features a 36mm Two-Tone case. Powered by the 4428 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-06a21ed9907d]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1973

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