Seiko Cal. 3874 - 291

The 3874-291 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-1ce289628afd]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1977

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