Seiko Cal. 3861 - 948

The Seiko 3861-948 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-e78d014573ab]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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