Seiko Cal. 3880 - 737

The Seiko 3880-737 represents an important milestone in Seiko's 1984 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-94fe9fc1eeb4]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1984

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