Seiko Cal. 6613 - 424

The Seiko 6613-424 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b4f445fa0a8d]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

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