Seiko Cal. 5271 - 640

This Hand-Winding model from 1971 features a 45mm Two-Tone case. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-32c22e94cab2]

Also known as: Panda, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1971

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