Seiko Cal. 4538 - 411

The 4538-411 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-2ae47fe07749]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

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