Seiko Cal. 3865 - 156

The 3865-156 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-c92436b6a028]

Also known as: Rally, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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