Seiko Cal. 6617 - 907

The 6617-907 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-c14b7d842805]

Also known as: Rally, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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