Seiko Cal. 5683 - 538

This Automatic model from 1971 features a 40mm Hardlex-Coated Steel case. Powered by the 5683 caliber with 27j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-d8dcfcb5a655]

Also known as: Panda, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1971

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