Seiko Cal. 3859 - 728

The 3859-728 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0250f77f7b7c]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1988

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