Seiko Cal. 6677 - 435

Seiko 6677-435

The Seiko 6677-435 represents an important milestone in Seiko's 1976 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0516cfda8df0]

Also known as: Sumo, UFO

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1976

Related Models

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