Seiko Cal. 3879 - 665

The 3879-665 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3879 caliber with 32j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-142cea61943c]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1979

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