Seiko Cal. 7139 - 762

The Seiko 7139-762 represents an important milestone in Seiko's 1978 lineup. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-4e749cd5bd12]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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