Seiko Cal. 3840 - 384

This Spring Drive model from 1974 features a 38mm Titanium case. Powered by the 3840 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-5d7b2b3b7728]

Also known as: Goldfeather, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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