Seiko Cal. 5646 - 559

This Hand-Winding model from 1979 features a 42mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-a7a5c4549261]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1979

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