Seiko Cal. 6390 - 255

The 6390-255 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-a356fee92aa8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1999

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