Seiko Cal. 3865 - 428

This Quartz model from 1968 features a 41mm Stainless Steel case. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-bad60fb8cde4]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

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