Seiko Cal. 4447 - 553

This Automatic model from 1978 features a 36mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-578303c808fe]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1978

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