Seiko Cal. 5671 - 101

Released in 1966, the Cal. 5671 with design code 101 was part of Seiko's domestic market collection. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-eba9caf62c38]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1966

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