Seiko Cal. 3815 - 328

The 3815-328 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-5f1ffa5d8098]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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