Seiko Cal. 4421 - 312

Seiko 4421-312

This Quartz model from 1988 features a 43mm Two-Tone case. With its 18mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-f6891408713c]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
43mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
100m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1988

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seikata-wm-f6891408713c