Seiko Cal. 3860 - 267

Released in 1967, the Cal. 3860 with design code 267 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-98bdeeeec3bf]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1967

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