Seiko Cal. 4510 - 816

Released in 1993, the Cal. 4510 with design code 816 was part of Seiko's domestic market collection. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-450ed25dfc03]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1993

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