Seiko Cal. 4437 - 766

The 4437-766 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-bb585adb57a5]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1985

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