Seiko Cal. 7125 - 731

The Seiko 7125-731 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-cc88b1f12a8b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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