Seiko Cal. 5686 - 378

The Seiko 5686-378 represents an important milestone in Seiko's 1992 lineup. Powered by the 5686 caliber with 25j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-528da0d47ae6]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1992

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