Seiko Cal. 5227 - 571

The Seiko 5227-571 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-747578d1c7f9]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1967

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