Seiko Cal. 4428 - 365

Seiko 4428-365

The Seiko 4428-365 represents an important milestone in Seiko's 1982 lineup. Powered by the 4428 caliber with 35j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a002ce3c0919]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1982

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