Seiko Cal. 3818 - 369

The 3818-369 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3818 caliber with 24j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-ddbfce2f6dec]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1976

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