Seiko Cal. 0716 - 637

Released in 1977, the Cal. 0716 with design code 637 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-ed1fb8cccd3a]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1977

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