Seiko Cal. 4578 - 404

This Hand-Winding model from 1965 features a 39mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-1ef0bd4ee715]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1965

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