Seiko Cal. 3817 - 547

The Seiko 3817-547 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-39a51c932fe8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1966

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