Seiko Cal. 7187 - 449

The 7187-449 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7187 caliber with 30j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-e05becc7c4e7]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1975

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