Seiko Cal. 3865 - 957

Released in 1967, the Cal. 3865 with design code 957 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-810ae08da860]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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