Seiko Cal. 3899 - 400

This Spring Drive model from 1980 features a 36mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-481fe9600cae]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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