Seiko Cal. 0770 - 264

This Spring Drive model from 1969 features a 40mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-910a01db6dea]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1969

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