Seiko Cal. 4428 - 371

Seiko 4428-371

This Automatic model from 1981 features a 38mm Gold-Plated case. Powered by the 4428 caliber with 26j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-8b10f436bf27]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
26j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1981

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seikata-wm-8b10f436bf27