Seiko Cal. 3811 - 665

The 3811-665 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-bd94be36d666]

Also known as: Helmet, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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