Seiko Cal. 3873 - 446

Released in 1997, the Cal. 3873 with design code 446 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-fa5066538667]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1997

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