Seiko Cal. 6653 - 763

The Seiko 6653-763 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b0b739dbf7cd]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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