Seiko Cal. 7185 - 610

This Hand-Winding model from 1991 features a 45mm PVD Black case. Powered by the 7185 caliber with 20j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-821b7d03dd3b]

Also known as: Tuna, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1991

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