Seiko Cal. 6617 - 621

Released in 1985, the Cal. 6617 with design code 621 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3d98a8b6f957]

Also known as: UFO, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1985

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