Seiko Cal. 5271 - 648

This Hand-Winding model from 1973 features a 46mm Gold-Plated case. Powered by the 5271 caliber with 26j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-8017ccbeb629]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

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