Seiko Cal. 3891 - 550

The 3891-550 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3891 caliber with 34j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-b09ea7ad6c21]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1979

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