Seiko Cal. 4421 - 322

Seiko 4421-322

This Automatic model from 1976 features a 43mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-845eba4adf5a]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
11.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Navy
Jewels
21j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1976

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