Seiko Cal. 3891 - 209

This Spring Drive model from 1970 features a 36mm Two-Tone case. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-5d76388de313]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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