Seiko Cal. 6617 - 399

The Seiko 6617-399 represents an important milestone in Seiko's 1965 lineup. It features a Navy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-548bc15de8a4]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1965

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