Seiko Cal. 3889 - 105

This Spring Drive model from 1970 features a 41mm Titanium case. With its 18mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-20c4a9ac0305]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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