Seiko Cal. 7123 - 340

The Seiko 7123-340 represents an important milestone in Seiko's 1989 lineup. Powered by the 7123 caliber with 35j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-a1fe5e8b07f5]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1989

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