Seiko Cal. 4456 - 240

The 4456-240 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-33db8373336f]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1993

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