Seiko Cal. 6613 - 664

Released in 1972, the Cal. 6613 with design code 664 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-2a00c0c11437]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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