Seiko Cal. 6323 - 557

The Seiko 6323-557 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-7b3c2162f2d1]

Also known as: Navigator, Sea Horse

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1971

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