Seiko Cal. 6687 - 625

Released in 1975, the Cal. 6687 with design code 625 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-b9ba4f0609ab]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1975

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