Seiko Cal. 3865 - 904

The 3865-904 is a sought-after Kinetic piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-8f0d4d11f916]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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