Seiko Cal. 3864 - 116

The Seiko 3864-116 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-5f387d8def4d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1965

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