Seiko Cal. 4539 - 804

Released in 1980, the Cal. 4539 with design code 804 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-0754add2ff95]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1980

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