Seiko Cal. 5616 - 668

Released in 1985, the Cal. 5616 with design code 668 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-102bd83beff5]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1985

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