Seiko Cal. 7187 - 544

This Quartz model from 1979 features a 44mm Two-Tone case. Powered by the 7187 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-7537da797a07]

Also known as: Samurai, Shogun

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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