Seiko Cal. 6623 - 839

The Seiko 6623-839 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-3936be1c5b77]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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