Seiko Cal. 4455 - 931

The 4455-931 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-303aeeb1838d]

Also known as: Rally, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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