Seiko Cal. 6621 - 742

This Hand-Winding model from 1983 features a 44mm Gold-Plated case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-07ab54b70e37]

Also known as: Helmet, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1983

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