Seiko Cal. 6387 - 316

The Seiko 6387-316 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-775a4393e6f2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1966

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