Seiko Cal. 7181 - 776

The Seiko 7181-776 represents an important milestone in Seiko's 1993 lineup. Powered by the 7181 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-f287d7ebf287]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1993

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