Seiko Cal. 6391 - 617

This Spring Drive model from 1982 features a 43mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-efa1e32b2b3d]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1982

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