Seiko Cal. 3815 - 537

The 3815-537 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2dcc2cabf00c]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1991

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