Seiko Cal. 4540 - 428

The 4540-428 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-58e86399f9a5]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1990

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