Seiko Cal. 5632 - 277

This Spring Drive model from 1968 features a 44mm Two-Tone case. Powered by the 5632 caliber with 27j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-5991878076d8]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1968

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