Seiko Cal. 3840 - 681

The 3840-681 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-9ab4ff72c0fc]

Also known as: Tuna, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1995

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