Seiko Cal. 3815 - 662

The Seiko 3815-662 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-c9d4a72218e5]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

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