Seiko Cal. 4511 - 487

This Spring Drive model from 1969 features a 43mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-442c8e7f5c4d]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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