Seiko Cal. 5257 - 260

The 5257-260 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-a1fabe7c23a2]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1990

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