Seiko Cal. 6665 - 231

The 6665-231 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6665 caliber with 24j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b4da747acd66]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

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