Seiko Cal. 6390 - 280

The Seiko 6390-280 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-9dea70968256]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1982

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