Seiko Cal. 0777 - 387

The Seiko 0777-387 represents an important milestone in Seiko's 1967 lineup. Powered by the 0777 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-80128bb5df70]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1967

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