Seiko Cal. 6231 - 240

The 6231-240 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-9fcef470a596]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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