Seiko Cal. 6186 - 891

This Spring Drive model from 1969 features a 42mm Two-Tone case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-cfb35a1d9bbf]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1969

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