Seiko Cal. 7131 - 850

The Seiko 7131-850 represents an important milestone in Seiko's 1996 lineup. Powered by the 7131 caliber with 20j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-cf12b0fe1e41]

Also known as: Tuna, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1996

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