Seiko Cal. 7140 - 903

The Seiko 7140-903 represents an important milestone in Seiko's 1968 lineup. It features a Champagne dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-21257701123b]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

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