Seiko Cal. 5663 - 285

The Seiko 5663-285 represents an important milestone in Seiko's 1974 lineup. It features a Silver dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-6d62f8977516]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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