Seiko Cal. 0731 - 828

The Seiko 0731-828 represents an important milestone in Seiko's 1988 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-6cd076b36fed]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1988

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