Seiko Cal. 7139 - 677

The Seiko 7139-677 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-83d617f23d9d]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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