Seiko Cal. 5677 - 387

The Seiko 5677-387 represents an important milestone in Seiko's 1985 lineup. Powered by the 5677 caliber with 28j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-460385cd039d]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1985

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