Seiko Cal. 0721 - 355

Seiko 0721-355

This Quartz model from 1990 features a 40mm PVD Black case. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-3a0f86fe542f]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1990

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