Seiko Cal. 6621 - 355

The 6621-355 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-cbb7a7e8b9f6]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1987

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