Seiko Cal. 4539 - 387

The Seiko 4539-387 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-a01b64eabb7c]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1985

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