Seiko Cal. 5653 - 381

The 5653-381 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-fe008a7148d3]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1970

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