Seiko Cal. 0731 - 674

Seiko 0731-674

The Seiko 0731-674 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-2788ea6a6825]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
19j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1981

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