Seiko Cal. 6377 - 657

The Seiko 6377-657 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6892b5024252]

Also known as: UFO, Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1988

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