Seiko Cal. 3898 - 770

This Kinetic model from 1974 features a 45mm Hardlex-Coated Steel case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f7488eb0b55c]

Also known as: Helmet, Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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