Seiko Cal. 6317 - 312

Seiko 6317-312

Released in 1998, the Cal. 6317 with design code 312 was part of Seiko's domestic market collection. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-233b9441b8d4]

Also known as: UFO, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
11.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
31j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1998

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