Seiko Cal. 3821 - 503

The Seiko 3821-503 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-bfda0e2a9e1c]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1974

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