Seiko Cal. 6613 - 155

This Spring Drive model from 1980 features a 42mm Gold-Plated case. Powered by the 6613 caliber with 29j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-0bec26695534]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1980

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