Seiko Cal. 3865 - 778

The 3865-778 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b6387c4eb66a]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

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