Seiko Cal. 6613 - 678

The 6613-678 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-b82700c1cede]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1986

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