Seiko Cal. 6615 - 204

The Seiko 6615-204 represents an important milestone in Seiko's 1969 lineup. Powered by the 6615 caliber with 33j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-4cab2616dd3c]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1969

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