Seiko Cal. 3815 - 683

This Hand-Winding model from 1990 features a 38mm Gold-Plated case. Powered by the 3815 caliber with 26j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-d7909ea211f9]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1990

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