Seiko Cal. 6613 - 988

The 6613-988 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6613 caliber with 26j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-48d224388037]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

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