Seiko Cal. 3891 - 539

The 3891-539 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-0494232cf22e]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1985

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