Seiko Cal. 6617 - 390

The Seiko 6617-390 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-6755be25244f]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1982

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