Seiko Cal. 3856 - 637

The 3856-637 is a sought-after Kinetic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-7b2e7a9c9014]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1970

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