Seiko Cal. 5648 - 988

This Automatic model from 1983 features a 37mm PVD Black case. Powered by the 5648 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-1adb80e3d7bd]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1983

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