Seiko Cal. 5611 - 277

The Seiko 5611-277 represents an important milestone in Seiko's 1968 lineup. Powered by the 5611 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-9521d9cdaeee]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1968

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