Seiko Cal. 6387 - 221

This Spring Drive model from 1983 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e6cf96c127e5]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1983

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