Seiko Cal. 5658 - 381

The Seiko 5658-381 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-0cf0f5c4e1cd]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

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