Seiko Cal. 3881 - 607

The 3881-607 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-fada1d4aebc7]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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