Seiko Cal. 5217 - 365

The Seiko 5217-365 represents an important milestone in Seiko's 1968 lineup. It features a Black dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-d7e608902578]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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