Seiko Cal. 4440 - 923

Released in 1984, the Cal. 4440 with design code 923 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-0e66cadcd789]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1984

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