Seiko Cal. 6621 - 654

The Seiko 6621-654 represents an important milestone in Seiko's 1968 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cde221eb29e9]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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