Seiko Cal. 0777 - 635

The Seiko 0777-635 represents an important milestone in Seiko's 1969 lineup. It features a Black dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-78c3a442d315]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1969

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