Seiko Cal. 6155 - 720

The 6155-720 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-317123caf175]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1988

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