Seiko Cal. 4416 - 488

This Spring Drive model from 1979 features a 37mm Two-Tone case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f949d47d9a17]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1979

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