Seiko Cal. 7187 - 815

The Seiko 7187-815 represents an important milestone in Seiko's 1966 lineup. Powered by the 7187 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-79dc133b4d67]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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