Seiko Cal. 6623 - 651

The Seiko 6623-651 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-61bee455c992]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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