Seiko Cal. 4530 - 537

Released in 1984, the Cal. 4530 with design code 537 was part of Seiko's domestic market collection. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-38cc59bf87eb]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1984

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