Seiko Cal. 5261 - 637

This Solar model from 1971 features a 43mm Two-Tone case. Powered by the 5261 caliber with 31j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-663900cad432]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1971

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