Seiko Cal. 6610 - 342

The 6610-342 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6610 caliber with 35j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-a3017e158229]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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