Seiko Cal. 6374 - 412

This Hand-Winding model from 1976 features a 46mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-3340b91caeab]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1976

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