Seiko Cal. 7178 - 487

Seiko 7178-487

The Seiko 7178-487 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-2a77f0d935ba]

Also known as: Shogun, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1966

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