Seiko Cal. 6230 - 657

The Seiko 6230-657 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-f18ad5de02d8]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

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