Seiko Cal. 4440 - 255

The 4440-255 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-1b3b8726f1ab]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1966

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