Seiko Cal. 6374 - 639

This Hand-Winding model from 1979 features a 36mm Stainless Steel case. It features a Cream dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-c36bc14fdc54]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

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