Seiko Cal. 4438 - 557

The 4438-557 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-fe21dcf51100]

Also known as: Monster, Silverwave

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1989

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