Seiko Cal. 3861 - 128

The Seiko 3861-128 represents an important milestone in Seiko's 1976 lineup. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-8019d9f60656]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1976

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