Seiko Cal. 3815 - 604

The Seiko 3815-604 represents an important milestone in Seiko's 1981 lineup. Powered by the 3815 caliber with 26j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-a1bb2776a5e5]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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