Seiko Cal. 3817 - 831

This Hand-Winding model from 1973 features a 36mm Stainless Steel case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-50eccb204e40]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1973

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