Seiko Cal. 7039 - 684

The Seiko 7039-684 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-6eee11559a53]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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