Seiko Cal. 6621 - 187

The Seiko 6621-187 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-ec3ccca84447]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1968

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