Seiko Cal. 3887 - 837

The Seiko 3887-837 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-534f0422ee0b]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1972

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