Seiko Cal. 5657 - 883

The Seiko 5657-883 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-214f540b897c]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1965

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