Seiko Cal. 4440 - 751

The 4440-751 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-9bb0a5a989f6]

Also known as: Samurai, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1974

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