Seiko Cal. 5611 - 881

This Quartz model from 1970 features a 37mm PVD Black case. Powered by the 5611 caliber with 20j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-7e4b924dbc6b]

Also known as: Samurai, Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

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