Seiko Cal. 6365 - 503

This Hand-Winding model from 1965 features a 37mm Stainless Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-81e6dad13e19]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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