Seiko Cal. 5611 - 647

The Seiko 5611-647 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3f32e9256edf]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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