Seiko Cal. 3898 - 774

This Spring Drive model from 1978 features a 43mm Titanium case. It features a White dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-fc09d0ae4cc3]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1978

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