Seiko Cal. 3854 - 500

The 3854-500 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-d3532b9b11e8]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1979

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