Seiko Cal. 6623 - 740

Released in 1994, the Cal. 6623 with design code 740 was part of Seiko's domestic market collection. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-fece405559dc]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1994

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