Seiko Cal. 5655 - 778

The Seiko 5655-778 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-b3d97acd8c8a]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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