Seiko Cal. 6377 - 707

The Seiko 6377-707 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a49f4bbdf0fb]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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