Seiko Cal. 3888 - 139

Released in 1984, the Cal. 3888 with design code 139 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-a3cccc53ce21]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1984

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