Seiko Cal. 7187 - 287

Released in 1991, the Cal. 7187 with design code 287 was part of Seiko's domestic market collection. Powered by the 7187 caliber with 23j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-3be9655c1e7a]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1991

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