Seiko Cal. 5686 - 156

The Seiko 5686-156 represents an important milestone in Seiko's 1988 lineup. Powered by the 5686 caliber with 36j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-b1c79d69567b]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1988

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