Seiko Cal. 6231 - 261

Released in 1970, the Cal. 6231 with design code 261 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-66d0bc697cc3]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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