Seiko Cal. 6318 - 640

Seiko 6318-640

This Automatic model from 1977 features a 43mm Stainless Steel case. Powered by the 6318 caliber with 30j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-a7109876924d]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1977

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seikata-wm-a7109876924d