Seiko Cal. 3889 - 755

The 3889-755 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-ef73f58311d0]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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