Seiko Cal. 3821 - 231

The 3821-231 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9a145e82a456]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1993

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