Seiko Cal. 6390 - 803

This Hand-Winding model from 1983 features a 36mm PVD Black case. Powered by the 6390 caliber with 32j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-d45b2d304de1]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1983

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