Seiko Cal. 6617 - 821

The Seiko 6617-821 represents an important milestone in Seiko's 1991 lineup. It features a Navy dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-31a72470871b]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

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