Seiko Cal. 4538 - 650

The 4538-650 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-da50322fb792]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1984

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