Seiko Cal. 3854 - 613

The Seiko 3854-613 represents an important milestone in Seiko's 1971 lineup. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-c32b1e5d348c]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1971

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