Seiko Cal. 5627 - 771

Released in 1968, the Cal. 5627 with design code 771 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-be31ca0c5064]

Also known as: Monster, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1968

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