Seiko Cal. 6257 - 723

This Solar model from 1992 features a 39mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-7375b5e60b84]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1992

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