Seiko Cal. 3821 - 657

This Spring Drive model from 1993 features a 41mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-f9ce9cf8dc23]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1993

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