Seiko Cal. 6131 - 777

The Seiko 6131-777 represents an important milestone in Seiko's 1973 lineup. Powered by the 6131 caliber with 24j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-49b47338249a]

Also known as: Turtle, Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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