Seiko Cal. 7140 - 986

The Seiko 7140-986 represents an important milestone in Seiko's 1968 lineup. Powered by the 7140 caliber with 35j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-1a4339919611]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1968

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