Seiko Cal. 5618 - 921

Seiko 5618-921

This Quartz model from 1973 features a 39mm Two-Tone case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-23ca6342247a]

Also known as: Bullhead, Silverwave

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
35j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1973

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seikata-wm-23ca6342247a