Seiko Cal. 4439 - 817

Released in 1981, the Cal. 4439 with design code 817 was part of Seiko's domestic market collection. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-da8bbce46cd4]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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