Seiko Cal. 6681 - 623

The 6681-623 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6681 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-e9ddf91c207b]

Also known as: Tuna, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1993

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