Seiko Cal. 4540 - 646

The 4540-646 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-86ef4858879e]

Also known as: Sumo, Pogue

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1991

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