Seiko Cal. 5271 - 540

Released in 1969, the Cal. 5271 with design code 540 was part of Seiko's domestic market collection. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-1ef8acdcb8aa]

Also known as: Samurai, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1969

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