Seiko Cal. 5648 - 485

This Spring Drive model from 1977 features a 45mm Gold-Plated case. Powered by the 5648 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-c8e6eee1de99]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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