Seiko Cal. 4439 - 228

The Seiko 4439-228 represents an important milestone in Seiko's 1989 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-40ac751e6721]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1989

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