Seiko Cal. 7160 - 361

The 7160-361 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7160 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-9470b7923822]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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