Seiko Cal. 4489 - 230

The 4489-230 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-8504bd12852a]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1978

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