Seiko Cal. 3870 - 439

The Seiko 3870-439 represents an important milestone in Seiko's 1968 lineup. Powered by the 3870 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-4fc9c34eaee2]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1968

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