Seiko Cal. 3810 - 921

Released in 1976, the Cal. 3810 with design code 921 was part of Seiko's domestic market collection. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-73175fef3db9]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1976

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