Seiko Cal. 3870 - 140

The 3870-140 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-c499508354e6]

Also known as: Goldfeather, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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