Seiko Cal. 3857 - 207

This Hand-Winding model from 1965 features a 45mm Hardlex-Coated Steel case. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-f92b880425b9]

Also known as: Shogun, Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1965

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