Seiko Cal. 5653 - 677

The Seiko 5653-677 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-c989a5260b1d]

Also known as: Bullhead, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1968

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