Seiko Cal. 6618 - 730

Seiko 6618-730

The Seiko 6618-730 represents an important milestone in Seiko's 1985 lineup. Powered by the 6618 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-b5f4abacd5d0]

Also known as: Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
14.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1985

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