Seiko Cal. 5660 - 677

The Seiko 5660-677 represents an important milestone in Seiko's 1987 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-3ea241a4deb7]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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