Seiko Cal. 7160 - 878

The Seiko 7160-878 represents an important milestone in Seiko's 1975 lineup. Powered by the 7160 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1a3f66988e64]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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