Seiko Cal. 0721 - 635

Seiko 0721-635

This Quartz model from 1984 features a 42mm Two-Tone case. Powered by the 0721 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-d4c6ac42e72d]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1984

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