Seiko Cal. 3891 - 988

The 3891-988 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-868f1ba9c3c1]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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