Seiko Cal. 3877 - 842

The Seiko 3877-842 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-999544abae11]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1991

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