Seiko Cal. 6390 - 516

This Automatic model from 1977 features a 45mm Two-Tone case. Powered by the 6390 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-fe57f07048ba]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1977

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