Seiko Cal. 6655 - 742

The Seiko 6655-742 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e4ec47c673bc]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1970

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