Seiko Cal. 6655 - 780

Released in 1970, the Cal. 6655 with design code 780 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-9a5d12fc60cf]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1970

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