Seiko Cal. 7145 - 931

The Seiko 7145-931 represents an important milestone in Seiko's 1973 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-bb7d9c140b02]

Also known as: Silverwave, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1973

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