Seiko Cal. 6318 - 420

Seiko 6318-420

The Seiko 6318-420 represents an important milestone in Seiko's 1979 lineup. Powered by the 6318 caliber with 29j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d1bec7c5d876]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
44mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
29j
Frequency
36,000 bph
Power Reserve
68 hours
Year
1979

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