Seiko Cal. 6657 - 423

The 6657-423 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-75080d9d0911]

Also known as: Sea Horse, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1986

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