Seiko Cal. 5687 - 545

The Seiko 5687-545 represents an important milestone in Seiko's 1978 lineup. Powered by the 5687 caliber with 31j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-bd31659d7982]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1978

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