Seiko Cal. 5657 - 649

The Seiko 5657-649 represents an important milestone in Seiko's 1993 lineup. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-551b88ea3746]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1993

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