Seiko Cal. 3847 - 337

This Hand-Winding model from 1975 features a 39mm Gold-Plated case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-f854aa18cc3c]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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