Seiko Cal. 6318 - 550

Seiko 6318-550

Released in 1974, the Cal. 6318 with design code 550 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-1f7999ee5a3d]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1974

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