Seiko Cal. 6384 - 639

This Hand-Winding model from 1987 features a 37mm PVD Black case. Powered by the 6384 caliber with 21j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-22430e9bd7a7]

Also known as: Turtle, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1987

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