Seiko Cal. 3857 - 204

The 3857-204 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-026b86b6a6a3]

Also known as: Tuna, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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