Seiko Cal. 5684 - 740

This Quartz model from 1987 features a 36mm PVD Black case. Powered by the 5684 caliber with 32j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-91bda6fb2507]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1987

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