Seiko Cal. 6140 - 774

Released in 1965, the Cal. 6140 with design code 774 was part of Seiko's domestic market collection. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-54dadb49de3a]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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