Seiko Cal. 6390 - 792

This Quartz model from 1989 features a 44mm Two-Tone case. Powered by the 6390 caliber with 28j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0a54936c8a5a]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1989

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