Seiko Cal. 3864 - 305

The Seiko 3864-305 represents an important milestone in Seiko's 1996 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-56de6fcca11a]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1996

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