Seiko Cal. 6369 - 639

The Seiko 6369-639 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-c5f87829b6b8]

Also known as: Sumo, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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