Seiko Cal. 3889 - 927

The Seiko 3889-927 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-9706f250e574]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1966

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