Seiko Cal. 6313 - 787

Seiko 6313-787

The Seiko 6313-787 represents an important milestone in Seiko's 1971 lineup. Powered by the 6313 caliber with 28j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-53f134d5c166]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1971

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seikata-wm-53f134d5c166