Seiko Cal. 7018 - 278

Seiko 7018-278

Released in 1976, the Cal. 7018 with design code 278 was part of Seiko's domestic market collection. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-230001c0ffe2]

Also known as: Monster, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
35j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1976

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