Seiko Cal. 5657 - 516

The Seiko 5657-516 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-db509a43549e]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1993

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