Seiko Cal. 6374 - 770

Released in 1978, the Cal. 6374 with design code 770 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-91b03ee7ec99]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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