Seiko Cal. 6140 - 758

The 6140-758 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6140 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-0a256ac94649]

Also known as: Turtle, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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