Seiko Cal. 4488 - 112

This Spring Drive model from 1970 features a 36mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-46a6fd43d5a1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1970

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