Seiko Cal. 7031 - 478

Seiko 7031-478

Released in 1996, the Cal. 7031 with design code 478 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-2b5c2809c719]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Cream
Jewels
23j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1996

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