Seiko Cal. 6390 - 502

This Quartz model from 1976 features a 36mm Two-Tone case. Powered by the 6390 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-a9ea56701bf7]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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