Seiko Cal. 5683 - 652

Released in 1972, the Cal. 5683 with design code 652 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-77f72dc7ff0b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1972

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