Seiko Cal. 6615 - 770

Released in 1987, the Cal. 6615 with design code 770 was part of Seiko's domestic market collection. Powered by the 6615 caliber with 20j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-cad24973ddd7]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1987

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