Seiko Cal. 6140 - 964

The 6140-964 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6140 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-39c7349f84a4]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1990

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