Seiko Cal. 5691 - 118

This Solar model from 1991 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-6e334138b78d]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1991

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